How do u simplify an expression? Plz, try to make it steps?

1 answer:

5 0

Here are the basic steps to follow to simplify an algebraic expression:remove parentheses by multiplying factors.
use exponent rules to remove parentheses in terms with exponents.
combine like terms by adding coefficients.
combine the constants.

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The $99.99 digital camera Mia purchased was on sale for 15% off. What amount did Mia get off the price? please leave an explanat

lesya [120]

Answer: Sale Price = $84.99 (answer). This means the cost of the item to you is $84.99. You will pay $84.99 for a item with original price of $99.99 when discounted 15%. In this example, if you buy an item at $99.99 with 15% discount, you will pay 99.99 - 14.9985 = 84.99 dollars.

Step-by-step explanation:

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3 years ago

Solve for y in terms of x: 3x = 15-5y Helppp

inysia [295]

5y=15-3x
y=3-3/5x
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Why do you switch the inequality sign when multiplying or dividing by a negative?

Andreas93 [3]

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3 years ago

What is. 3/4x - 2/3x - 4 = 1/6x - 7 I give Brainliest!

Lady bird [3.3K]

Answer:

x = 36

Step-by-step explanation:

(3/4)*x-((2/3)*x)-4 = (1/6)*x-7 // - (1/6)*x-7

(3/4)*x-((2/3)*x)-((1/6)*x)-4+7 = 0

(3/4)*x+(-2/3)*x+(-1/6)*x-4+7 = 0

3-1/12*x = 0 // - 3

-1/12*x = -3 // : -1/12

x = -3/(-1/12)

x = 36

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3 years ago

Use the quadratic formula to solve x^2-2x+2=0

Helen [10]

The quadratic formula is...
$\frac{-b (+/-)\sqrt{b^2-4ac}}{2a}$
your a will be in front of your x^2, b in front of your x, and c will be the number without an x. Plug those into the equation and you'll get two answers. That will be it

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3 years ago